Nortel Meridian 1 Succession 1000 Description page 343

Meridian European digital telephones: M3110, M3310, and M3820
Figure 90
Closet Power Supply configuration
6-conductor
from telephone
Connects to an
isolated output
Note 1: All terminals must be isolated from the input winding and each
terminal must be isolated from all other terminal windings. A separate
winding is required for each terminal, and grounds must not be
connected.
Note 2: The QUT1 closet power supply source is not compatible with
Meridian digital telephones.
The AC source must be rated at 29 V ac, 700 mA isolated. The DC source
must be rated at 42 V dc, 300 mA isolated, with current limiting output of 1
amp.
line cord
(Shumway SBI 221-25 or equivalent)
3
Tip (r)
2
1
5
6
W
BL
Closet Power Supply
Telephones and Consoles
Page 343 of 532
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Description